Related Questions

Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and
A Concurrent
B Parallel
C Concurrent parallel
D None of these
For any system of coplanar forces, the condition of equilibrium is that the
A Algebraic sum of the horizontal components of all the forces should be zero
B Algebraic sum of the vertical components of all the forces should be zero
C Algebraic sum of moments of all the forces about any point should be zero
D All of the above
Non-coplanar concurrent forces are those forces which
A Meet at one point, but their lines of action do not lie on the same plane
B Do not meet at one point and their lines of action do not lie on the same plane
C Meet at one point and their lines of action also lie on the same plane
D Do not meet at one point, but their lines of action lie on the same plane
Coplanar concurrent forces are those forces which
A Meet at one point, but their lines of action do not lie on the same plane
B Do not meet at one point and their lines of action do not lie on the same plane
C Meet at one point and their lines of action also lie on the same plane
D Do not meet at one point, but their lines of action lie on the same plane
Non-coplanar non-concurrent forces are those forces which
A Meet at one point, but their lines of action do not lie on the same plane
B Do not meet at one point and their lines of action do not lie on the same plane
C Do not meet at one point but their lines of action lie on the same plane
D None of the above
Coplanar non-concurrent forces are those forces which __________ at one point, but their lines of action lie on the same plane.
A Meet
B Do not meet
C Either ‘A’ or ‘B’
D None of these
The forces which meet at one point, but their lines of action __________ on the same plane, are Known as non-coplanar concurrent forces.
A Lie
B Do not lie
C Either A or B
D None of these
Varingon's theorem of moments states that if a number of coplanar forces acting on a particle are in equilibrium, then
A Their algebraic sum is zero
B Their lines of action are at equal distances
C The algebraic sum of their moments about any point in their plane is zero
D The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point
According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then
A Their algebraic sum is zero
B Their lines of action are at equal distances
C The algebraic sum of their moments about any point in their plane is zero
D The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point
If a number of coplanar forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point.
A Equal to
B Less than
C Greater than
D None of these

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